Solved by bobbilyking

#	Title	# Solved	Avg. Tries
12858	Range GCD	568	2.67
19468	Simple Graph	7	2.14
19472	Array and Operations	141	1.84
21763	Bingo	174	3.29
32712	다이얼 룰렛	92	2.24
32713	숫자 POP	100	1.66
32747	LIS On Tree	3	2.67

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